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Fully air insulated switchgear12…24 kV Flyer
Brochure · ROCKWILL

Fully air insulated switchgear12…24 kV Flyer

Power utility substations, industrial plants, data centers, commercial buildings, renewable energy (solar/wind), prefabricated compact substations.

Updated2026.09
LanguageEnglish
FilePDF · 248 KB
switchgearFully air insulated switchgear
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Document description

This flyer introduces ROCKWILL Eok SF6‑free fully air‑insulated switchgear, rated at 12‑24kV, 630A with 12.5‑21kA short‑circuit breaking capacity. Adopting pure air/N₂ insulation, it achieves 10,000 overhaul‑free mechanical operations, with standardized accessories, eco‑friendly and highly reliable for primary power distribution applications.

Fully air insulated switchgear (AIS) is indoor metal-enclosed medium voltage switchgear, using atmospheric air as the insulating medium and vacuum interrupter for breaking. Rated voltage range: 12kV ~ 24kV. No SF₆ greenhouse gas, eco-friendly modular design for primary & secondary power distribution.

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Frequently asked questions


Answer: The core competitive advantages are concentrated in the four dimensions of "integration, safety, environmental protection, and efficiency":

  1. Compact integration, three in one design+environmentally friendly insulation medium, with a width of only 420mm, significantly saving space and infrastructure/material costs;
  2. Safety redundancy, built-in unavoidable mechanical interlocking system, eliminating misoperation from the root, circuit breaker with a mechanical lifespan of 10000 times and a sealing guarantee of more than 30 years for the shell, and reliability verification through full type testing;
  3. Green and environmentally friendly, using pure air/N ₂ to replace SF ₆ greenhouse gases, achieving zero carbon emissions and zero waste, in line with global environmental trends;
  4. The low TCO advantage reduces on-site assembly processes, supports plug and play accessories and quick customization, and lowers installation, maintenance, and long-term usage costs.

Pay attention to operating temperature range, maximum installation altitude derating, and ambient corrosive‑gas limits. Special modification is required beyond standard conditions. Please contact us for environment‑adaptation guidance.

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